Year	Hectares
1990	52800000
1991	52633400
1992	52466800
1993	52300200
1994	52133600
1995	51967000
1996	51800400
1997	51633800
1998	51467200
1999	51300600
2000	51134000
2001	50967400
2002	50800800
2003	50634200
2004	50467600
2005	50301000
2006	50134400
2007	49967800
2008	49801200
2009	49634600
2010	49468000
2011	49301400
2012	49134800
2013	48968200
2014	48801600
2015	48635000